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Summary: Nested Classes | Methods | Inherited Methods

# CaptioningManager

`public class CaptioningManager`
`extends Object` ``

java.lang.Object
↳ | android.view.accessibility.CaptioningManager

Contains methods for accessing and monitoring preferred video captioning state and visual properties.

## Summary

### Nested classes
`class` | `CaptioningManager.CaptionStyle` Specifies visual properties for video captions, including foreground and background colors, edge properties, and typeface.
`class` | `CaptioningManager.CaptioningChangeListener` Listener for changes in captioning properties, including enabled state and user style preferences.

### Public methods
`void` | `addCaptioningChangeListener(CaptioningManager.CaptioningChangeListener listener)` Adds a listener for changes in the user's preferred captioning enabled state and visual properties.
`final float` | `getFontScale()`
`final Locale` | `getLocale()`
`CaptioningManager.CaptionStyle` | `getUserStyle()`
`final boolean` | `isEnabled()`
`void` | `removeCaptioningChangeListener(CaptioningManager.CaptioningChangeListener listener)` Removes a listener previously added using `addCaptioningChangeListener(CaptioningManager.CaptioningChangeListener)`.

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Public methods

### addCaptioningChangeListener

    public void addCaptioningChangeListener (CaptioningManager.CaptioningChangeListener listener)

Adds a listener for changes in the user's preferred captioning enabled state and visual properties.

Parameters
`listener` | `CaptioningManager.CaptioningChangeListener`: the listener to add This value cannot be `null`.

### getFontScale

    public final float getFontScale ()

Returns
`float` | the user's preferred font scaling factor for video captions, or 1 if not specified

### getLocale

    public final Locale getLocale ()

Returns
`Locale` | the locale for the user's preferred captioning language, or null if not specified

### getUserStyle

    public CaptioningManager.CaptionStyle getUserStyle ()

Returns
`CaptioningManager.CaptionStyle` | the user's preferred visual properties for captions as a `CaptionStyle`, or the default style if not specified This value cannot be `null`.

### isEnabled

    public final boolean isEnabled ()

Returns
`boolean` | the user's preferred captioning enabled state

### removeCaptioningChangeListener

    public void removeCaptioningChangeListener (CaptioningManager.CaptioningChangeListener listener)

Removes a listener previously added using `addCaptioningChangeListener(CaptioningManager.CaptioningChangeListener)`.

Parameters
`listener` | `CaptioningManager.CaptioningChangeListener`: the listener to remove This value cannot be `null`.

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